Home / 7,853.60-10,827.87-6,432.05

Finding the Fourth Proportional to 7,853.60, 10,827.87 and 6,432.05

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Solution

The fourth proportional to 7,853.60, 10,827.87 and 6,432.05 is: 8,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.60 : 10,827.87 = 6,432.05 : x
  2. Step 2: Convert to fraction form
    7,853.60/10,827.87 = 6,432.05/x
  3. Step 3: Cross multiply
    7,853.60x = 10,827.87 × 6,432.05
  4. Step 4: Simplify right side
    7,853.60x = 69,645,404.18
  5. Step 5: Solve for x
    x = 69,645,404.18/7,853.60
  6. Step 6: Final answer
    x = 8,867.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.